Standard Exposure Calculator

Standard Exposure Calculator

Standard Exposure Calculator
Science Museum Group
© The Board of Trustees of the Science Musuem

Exposure calculator by Johnsons of Hendon Ltd.

Details

Category:
Photographic Technology
Object Number:
Y1991.148.6
Materials:
plastic (unidentified) and paper (fibre product)
Measurements:
pack: 5 mm x 86 mm x 89 mm,
type:
photographic equipment
credit:
Gift of Anne Charlton